<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>

<body>
  <label for="num">请输入账号</label>
  <input type="text" id="num">
  <br>
  <label for="box">请选择</label>
  <input type="checkbox" name="" id="box">
</body>

</html>